| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Amanda Bearse | Crew | Directing | Director | 1 |
 Brian K. Roberts | Crew | Directing | Director | 1 |
 Danny Jacobson | Crew | Production | Producer, Writer, Creator | 81 |
 Gail Mancuso | Crew | Directing | Director | 7 |
 Gil Junger | Crew | Directing | Director | 2 |
 Gordon Hunt | Crew | Directing | Director | 1 |
 James Widdoes | Crew | Directing | Director | 1 |
 John Fortenberry | Crew | Directing | Director | 7 |
 Leonard R. Garner, Jr. | Crew | Directing | Director | 12 |
 Liz Sagal | Crew | Writing | Writer | 5 |
Mark Cendrowski | Crew | Directing | Director | 1 |
 Michael Lembeck | Crew | Directing | Director | 23 |
Mike Larsen | Crew | Writing | Writer | 4 |
Pat Bullard | Crew | Production | Producer, Writer | 81 |
 Robby Benson | Crew | Directing | Director | 3 |
 Ted Wass | Crew | Directing | Director | 6 |
 Wil Shriner | Crew | Directing | Director | 3 |
 Adam Carolla | Cast | Actor | Self | 1 |
 Alanna Ubach | Cast | Actress | 1 | |
 Amy Hill | Cast | Actress | Pete's boss | 1 |
 Beth Grant | Cast | Actress | Tufts College Employee | 1 |
 Bette Ford | Cast | Actress | Marge Ryecart | 1 |
Beverly Leech | Cast | Actress | Claudia | 1 |
 Bill Burr | Cast | Actor | Fitzey | 1 |
 Bill Macy | Cast | Actor | Mr. Harrison | 1 |
 Bo Derek | Cast | Actress | 3 | |
 Bobbie Phillips | Cast | Actress | Shawn | 3 |
 Brande Roderick | Cast | Actress | 1 | |
 Brian Dunkleman | Cast | Actor | Pizza delivery guy | 1 |
 Brigitta Dau | Cast | Actress | Britney Walker | 1 |
 Carmen Electra | Cast | Actress | Isabella | 1 |
 Charles Emmett | Cast | Actor | 1 | |
 Cheryl Ladd | Cast | Actress | Berg's Mom | 2 |
 Conchata Ferrell | Cast | Actress | Shawn's Mother | 1 |
 Constance Marie | Cast | Actress | Venita | 2 |
 David Ogden Stiers | Cast | Actor | Mr. Bauer | 13 |
 Dick Martin | Cast | Actor | Grandpa Charlie | 1 |
 Elisabeth Harnois | Cast | Actress | Translator | 1 |
 Fred Willard | Cast | Actor | Frank Farber | 1 |
 Giuseppe Andrews | Cast | Actor | Germ | 20 |
 Harve Presnell | Cast | Actor | Edgar J. Hagerty | 1 |
 Howard Hesseman | Cast | Actor | Mr. Bergen | 1 |
 James Denton | Cast | Actor | 1 | |
 James Patrick Stuart | Cast | Actor | Priest | 1 |
 Jason Clarke | Cast | Actor | Hank | 1 |
 Jean Speegle Howard | Cast | Actress | Mrs. Wexler | 1 |
 Jennifer Westfeldt | Cast | Actress | Melissa | 13 |
 Jillian Bach | Cast | Actress | Irene | 34 |
 Joel Higgins | Cast | Sharon's Father | 1 | |
 Jon Cryer | Cast | Actor | Justin | 1 |
 Julene Renee | Cast | Actress | Molly | 1 |
 Julius Carry | Cast | Actor | Bill | 13 |
 Kathy Kinney | Cast | Actress | Mimi Bobeck | 1 |
 Kevin Weisman | Cast | Actor | 1 | |
 Lee Arenberg | Cast | Actor | 2 | |
 Lyle Kanouse | Cast | Actor | Tessio | 1 |
 Marguerite MacIntyre | Cast | Actress | Kaitlin Rush | 3 |
 Maury Ginsberg | Cast | Actor | Kamen | 4 |
 Michael Ensign | Cast | Actor | Chairman at Presentation | 1 |
 Michael Welch | Cast | Actor | Michael Rush | 2 |
 Michelle Stafford | Cast | Actress | April | 1 |
 Mo Gaffney | Cast | Actress | 1 | |
 Nancy Lenehan | Cast | Actress | Dr. Peel | 2 |
 Nathan Fillion | Cast | Actor | Johnny Donnelly | 60 |
Pat Bullard | Cast | Actor | 1 | |
 Pat Crawford Brown | Cast | Actress | Librarian | 1 |
 Rachael Harris | Cast | Actress | 1 | |
 Rena Sofer | Cast | Actress | Lauren | 1 |
 Richard Ruccolo | Cast | Actor | Peter Dunville | 81 |
 Robert Goulet | Cast | Actor | 2 | |
 Robert Joy | Cast | Actor | Ed | 1 |
 Ron Fassler | Cast | Actor | 1 | |
 Ron Harper | Cast | Actor | 1 | |
 Ryan Reynolds | Cast | Actor | Michael "Berg" Bergen | 81 |
 Sam Lloyd | Cast | Actor | Career Counsellor | 1 |
 Sean O'Bryan | Cast | Actor | Ted | 1 |
 Stephen Tobolowsky | Cast | Actor | Father Viteri | 1 |
 Steve Landesberg | Cast | Actor | Berg's Dad | 1 |
 Steven Gilborn | Cast | Actor | 3 | |
 Suzanne Cryer | Cast | Actress | Ashley Walker | 60 |
 Suzanne Krull | Cast | Actress | Bates Balou | 1 |
 Tom DeLonge | Cast | Actor | Self | 1 |
 Tiffani Thiessen | Cast | Actress | 8 | |
 Traylor Howard | Cast | Actress | Sharon Carter | 81 |
 Victor Raider-Wexler | Cast | Actor | 9 | |
Nomar Garciaparra | Cast | 2 | ||
 Anthony Stewart Head | Cast | Actor | Dr. Staretski | 1 |
 Ron Pearson | Cast | Actor | 1 | |
 Kenneth Kimmins | Cast | Actor | Mr. Walker | 2 |
 Mark Hoppus | Cast | Actor | Self | 1 |
 Al Michaels | Cast | Actor | 1 | |
 Travis Barker | Cast | Actor | Self | 1 |
| Person | Type | Job | Role(s) | Episodes |
